MOSCOW, February 1. /TASS/. Russian State Duma Speaker Sergey Naryshkin has not ruled out that the UN Security Council may be expanded to include new countries which have earned "great authority in the world" over the last years.

"I do not rule out that separate and inessential changes are possible and maybe even necessary to boost the effectiveness of UN Security Council. The UN Security Council may be expanded to include new countries which have reached a new level over the last decades and have great authority in the world," Naryshkin said at the meeting with young scientists of the Kutafin Moscow State Law University.

"However, these changes are not of principal character. I am confident that main basic ideas laid down by UN and UN SC creators should continue to be enforced today," he added.